measure the resistance in the key with a DMM.... take that R valve... find a same valve resistor (radio shack) ... now under your dash is a white or violet wires in orange tubing.... un-do that connector and wire that resistor across the two wires and BAMMMMMMM
You can get a custom prom with vats eliminated is better because if ther is ever a problem with vats module your car wont start. A custom prom eliminats that problem.